3.1.0 - Updates for the Behave-Gherkin integration

Updates for the Behave-Gherkin integration

• Use correct indentation for Behave-Gherkin files
• Add Recorder option to generate Behave-Gherkin files
• Add option to record self.sleep() calls with the Recorder
• Refactoring sleep calls in BaseCase
• Use correct syntax-highlighting for "sbase print *.feature"
• "os.path.join()" should be used for joining a path with a file
• Refresh Python dependencies

This resolves #1319
This resolves #1320
This resolves #1321
This resolves #1322